Camera calibration tool



FIG. 1 is a perspective view of a camera calibration tool showing afirst embodiment of my new design;

FIG. 2 is a rear perpective view thereof;

FIG. 3 is a side elevational view from a left side thereof;

FIG. 4 is a side elevational view from a right side thereof;

FIG. 5 is a side elevational view from a front side thereof;

FIG. 6 is a side elevational view from a rear side thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a perspective view of a camera calibration tool showing asecond embodiment of my new design; and,

FIG. 10 is a rear perspective view thereof.

The broken lines in the figures depict portions of the cameracalibration tool that form no part of the claimed design.

CLAIM The ornamental design for camera calibration tool, as shown anddescribed.